UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/mkMbFWFQ7a7K4KjIvkyW0bkdUfAgDAF8iE7972XrgM=' 
WHERE 
  key_id = 'fc1e5811295b2ad1967013d6a15871d4b0da26874d0157027bd093535485b301' 
  AND (
    token = '/mkMbFWFQ7a7K4KjIvkyW0bkdUfAgDAF8iE7972XrgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )